Which of these architectural features was the most common used in the Swahili architecture?%C2%A0(1 point) Responses Multiple floors%C2%A0 Multiple floors%C2%A0 Inner courtyards%C2%A0 Inner courtyards%C2%A0 Coral stone%C2%A0 Coral stone%C2%A0 Minarets

Coral stone